﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using SoftwareLogistics.SharepointClient.Library;
using System.Runtime.InteropServices.Automation;

namespace SoftwareLogistics.SharepointClient.Silverlight
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
        }

        // After the Frame navigates, ensure the HyperlinkButton representing the current page is selected
        private void ContentFrame_Navigated(object sender, NavigationEventArgs e)
        {
            if (Common.Users.CurrentUser == null)
                MenusLink.Visibility = System.Windows.Visibility.Collapsed;
            else
            {
                MenusLink.Visibility = System.Windows.Visibility.Visible;
                foreach (UIElement child in MenusLink.Children)
                {
                    HyperlinkButton hb = child as HyperlinkButton;
                    if (hb != null && hb.NavigateUri != null)
                    {
                        if (hb.NavigateUri.ToString().Equals(e.Uri.ToString()))
                            VisualStateManager.GoToState(hb, "ActiveLink", true);
                        else
                            VisualStateManager.GoToState(hb, "InactiveLink", true);
                    }
                }
            }

        }

        // If an error occurs during navigation, show an error window
        private void ContentFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            e.Handled = true;
            ChildWindow errorWin = new ErrorWindow(e.Uri);
            errorWin.Show();
        }

        private void HyperlinkButton_Click(object sender, RoutedEventArgs e)
        {
            Common.Users.CurrentUser = null;
            ContentFrame.Navigate(new Uri("/Home", UriKind.Relative));
        }
    }
}